– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Sun 12 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 12 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 12 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 25°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Fri night. Warm (max 33°C on Fri afternoon, min 18°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | | | |  | | | |  |  | | |  | | | | |
clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | rain shwrs | some clouds | clear | clear | risk tstorm | rain shwrs | rain shwrs | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | 1.3 | 0.2 | 0.3 | — |
max °C | 16 | 19 | 23 | 19 | 22 | 25 | 21 | 21 | 25 | 22 | 26 | 29 | 25 | 31 | 33 | 26 | 22 | 24 | 21 |
min °C | 11 | 15 | 22 | 15 | 18 | 25 | 16 | 18 | 25 | 18 | 22 | 29 | 23 | 27 | 32 | 20 | 20 | 23 | 14 |
chill °C | 11 | 15 | 22 | 15 | 18 | 25 | 16 | 18 | 25 | 18 | 22 | 29 | 23 | 27 | 32 | 20 | 20 | 23 | 14 |
Freezing level m | 3350 | 3500 | 3750 | 3900 | 3950 | 4150 | 4150 | 3700 | 3950 | 4100 | 4200 | 4450 | 4600 | 4650 | 4800 | 4750 | 4750 | 4550 | 4200 |
Cloud base (m) | 6950 | 8200 | 6350 | 9150 | 4450 | ||||||||||||||
 | — | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — |
 | — | — | — | 9:07 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 | — | — | 9:04 | — | — | 9:02 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 25°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Fri night. Warm (max 33°C on Fri afternoon, min 18°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.